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哺乳动物嗅觉系统中分子信息的计算

Computation of molecular information in mammalian olfactory systems.

作者信息

Mori K, Nagao H, Sasaki Y F

机构信息

Laboratory for Neuronal Recognition Molecules, Brain Science Institute, The Institute of Physical and Chemical Research (RIKEN), Wako, Saitama, Japan.

出版信息

Network. 1998 Nov;9(4):R79-102.

Abstract

The olfactory system is unique in that the sensory input is in the form of molecular information carried in odour molecules and that a huge variety of compounds can function as odour molecules. The mammalian olfactory system has neuronal networks that can process and integrate the molecular information for discrimination of odour molecules and for perception of olfactory images of objects. Recent rapid advances have begun to provide new insights into the functional logic employed by the main olfactory system for odour discrimination, for odour classification and for olfactory perception of objects. This review discusses how the odour molecule information is encoded, transmitted, processed and decoded at distinct anatomical structures (sensory epithelium, olfactory bulb and olfactory cortex) of the olfactory nervous system. We also discuss the functional network in the accessory olfactory system with regard to the processing of pheromonal information.

摘要

嗅觉系统的独特之处在于,其感觉输入是以气味分子携带的分子信息形式存在的,而且种类繁多的化合物都可以充当气味分子。哺乳动物的嗅觉系统拥有神经网络,能够处理和整合分子信息,以辨别气味分子并感知物体的嗅觉图像。最近的快速进展已开始为主要嗅觉系统用于气味辨别、气味分类以及物体嗅觉感知的功能逻辑提供新的见解。本综述讨论了气味分子信息在嗅觉神经系统的不同解剖结构(感觉上皮、嗅球和嗅觉皮层)中是如何编码、传递、处理和解码的。我们还讨论了副嗅觉系统中关于信息素信息处理的功能网络。

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